Staging: poch: Fix user space protocol syncing

Always set the user space offset from kernel space, to indicate group
transmitted/received.

Signed-off-by: Vijay Kumar <vijaykumar@bravegnu.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 12 deletions

diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
index 0a3eca14075..3ecbd7c43c4 100644
--- a/drivers/staging/poch/poch.c
+++ b/drivers/staging/poch/poch.c
@@ -948,14 +948,7 @@ static int poch_channel_available(struct channel_info *channel)
         spin_lock_irq(&channel->group_offsets_lock);
 
         for (i = 0; i < channel->group_count; i++) {
-                if (channel->dir == CHANNEL_DIR_RX
-                    && channel->header->group_offsets[i] == -1) {
-                        spin_unlock_irq(&channel->group_offsets_lock);
-                        return 1;
-                }
-
-                if (channel->dir == CHANNEL_DIR_TX
-                    && channel->header->group_offsets[i] != -1) {
+                if (channel->header->group_offsets[i] != -1) {
                         spin_unlock_irq(&channel->group_offsets_lock);
                         return 1;
                 }
@@ -1103,10 +1096,7 @@ static void poch_irq_dma(struct channel_info *channel)
 
         for (i = 0; i < groups_done; i++) {
                 j = (prev_transfer + i) % channel->group_count;
-                if (channel->dir == CHANNEL_DIR_RX)
-                        group_offsets[j] = -1;
-                else
-                        group_offsets[j] = groups[j].user_offset;
+                group_offsets[j] = groups[j].user_offset;
         }
 
         spin_unlock(&channel->group_offsets_lock);